'''Jules Henri Poincaré ''' (;
29 April 1854 – 17 July 1912) was a French mathematician
, theoretical physicist
, engineer, and philosophy of science|philosopher of science
. He is often described as a polymath
, and in mathematics as ''The Last Universalist'' by Eric Temple Bell
since he excelled in all fields of the discipline as it existed during his lifetime.
As a mathematician and physicist, he made many original fundamental contributions to Pure mathematics|pure
and applied mathematics
, mathematical physics
, and celestial mechanics
He was responsible for formulating the Poincaré conjecture
, which was one of the most famous unsolved problems in mathematics
until it was solved in 2002–2003. In his research on the three-body problem
, Poincaré became the first person to discover a chaotic deterministic system...